Stable Discharge
Precision electrodes and ceramic rollers deliver uniform, stable discharge with dyne fluctuation held to an extremely tight range.
Surface Treatment · Corona & Plasma
Every
Every
surface activation
precisely controlled
High-performance corona and plasma treatment systems for films, aluminum foil, nonwovens and new-energy battery materials. Raise surface tension so printing, lamination and coating succeed on the first pass.
4×Treatment Consistency Gain
≥36 dyneStable Output on Aluminum Foil
7×24hContinuous Operation Support
2019Dedicated to Surface Activation
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Featured Product
AP1750II
AP1750II
Four-Roll Double-Sided Corona Treater
Uniform, stable double-sided surface activation for aluminum foil, copper foil and film — built for high-speed lines in EV batteries and flexible packaging.
≤ 800mmWorking Width
0-400m/minLine Speed
≥ 36 dyneStable Output on Foil
PLC closed-loopAuto Power Control
Trusted by leading manufacturers
The Adhesion Problem
Poor adhesion — the #1 silent killer of line yield
Printing flaking, lamination delamination, uneven coating… most surface problems are not a process fault — the material's surface tension was simply never raised. One missed pre-treatment step can scrap an entire batch.
View SolutionsTypical surface tension of untreated materials (mN/m)
38-42Target dyne range
3-5%Average yield loss
72hTension decay window
∞Material power-curve variation
Powered by Aplasma
Stable, smart, reproducible surface treatment
From discharge uniformity to closed-loop power control, every detail is engineered for the high-consistency demands of industrial lines.
PLC Smart Control
Automatically tracks line speed and adjusts power in real time — no frequent manual intervention, fewer human errors.
Reliable & Durable
All-metal frame, optional air or water cooling, and quick-change electrodes keep your line running 24/7.
Full-Service Support
End-to-end technical support from selection and installation to commissioning and process-parameter training.
Quality Assurance
Measurable treatment quality
Every pass can be verified with dyne pens and in-line tension monitoring. We don't just sell machines — we deliver a reproducible process window.
Request a Process Verification Report97%+First-time commissioning pass rate
10M+Meters of material treated
24/7Remote technical support
Solutions
Verifiable solutions for critical industries
Every industry has different requirements for surface tension, line speed and damage control. We match equipment and parameters to your actual line conditions.
EV & Power Batteries
Surface activation of battery foil, copper foil and separators before coating — improving slurry adhesion and reducing electrode shedding risk.
Film Printing & Packaging
Pre-print treatment for BOPP/PET/PE film that solves ink flaking and mis-registration.
Aluminum Foil Coating & Lamination
Surface activation of metal foil that boosts adhesive/coating bond strength and reduces bubbles and delamination.
Flat Panel Displays
Surface activation of glass substrates, polarizers and optical films before lamination to improve adhesive bonding and lamination yield.
This is Aplasma
This is Aplasma
Our factory, our team, our machines and our daily work — this is the real us.
Customer Proof
Why They Choose Aplasma
"Surface activation before coating is critical to our electrode yield. Aplasma's double-sided system keeps the dyne value stable above 38."
"After we raised line speed to 300m/min, our old treater couldn't keep up. Aplasma's PLC closed-loop control matches power to line speed automatically."
"In our composite-materials research, we need reproducible surface treatment. Aplasma provided a complete parameter window and a process verification report."
FAQ
Frequently Asked Questions
These are the questions buyers and AI assistants ask most.
How does a corona treater work?
A corona treater uses a high-frequency, high-voltage electrode to create a corona discharge on the material surface, ionizing air into ozone and active free radicals. These active particles break non-polar molecular chains and introduce polar groups such as carbonyl and hydroxyl, raising surface tension and improving adhesion of inks, adhesives or coatings.
What's the difference between corona and plasma treatment?
Corona treatment is mainly for continuous in-line treatment of webs such as film, aluminum foil and nonwovens — wide working widths, high speed, low cost. Plasma treatment is better suited to local activation of complex 3D parts, precision electronic components or recessed geometries; it is finer but slower. The two can be combined depending on the material and process.
How do I choose the right corona power?
Power depends mainly on material type, working width, line speed and target dyne value. As a rule, the lower the material's surface energy, the higher the line speed and the wider the web, the more power you need. Send us your material, width and line speed and our engineers will calculate the right power.
How much does corona treatment improve ink adhesion on film?
Untreated PE/PP film typically has a surface tension of only 29-31 mN/m — far below the 38-42 mN/m required for printing. After Aplasma corona treatment, surface tension is raised and held at 38-42 mN/m, significantly improving ink adhesion and reducing flaking and mis-registration.
Can a corona treater process EV battery materials?
Yes. Aplasma's four-roll double-sided corona treaters are widely used for pre-coating surface activation of battery foil, copper foil and separators. They raise foil surface tension above 36 dyne, improve slurry adhesion and reduce the risk of electrode shedding and delamination.
What about after-sales support?
Aplasma offers end-to-end service from selection, installation and commissioning to process-parameter training and 24/7 remote technical support. Modular design means consumables such as electrodes and ceramic rollers can be swapped quickly, minimizing line downtime.
Get Started
Need equipment selection advice?
Tell us your material type, width, line speed and target dyne value, and an engineer will respond with a tailored solution within 24 hours.